var exec = require('child_process').exec
function execute(cmd) {
  exec(cmd, function (error, stdout, stderr) {
    if (error) {
      console.error(error)
    } else {
      console.log('success')
    }
  })
}
execute('git add .')
execute('git commit -m  "update:' + new Date() + '"')
execute('git push origin master')
